Constantan wire (uncoated) Ø0.2-2mm resistance wire 2.0842 CuNi44 1-500 meters

Length tolerance +/-2mm

Do you need a different steel grade or dimensions? Please write to us. Our sales team will make you an offer from stock or from the delivery program :)

• Production time - none. Already in stock.
• Shipping preparation - 2-3 working days.
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Constantan wire CuNi44 (uncoated) – the ideal resistance wire for DIY, engineering & labs

This constantan wire is made of CuNi44 (2.0842), a proven copper-nickel alloy with a constant electrical resistance—even at rising temperatures. Since the wire is not coated, it is particularly suitable for applications where direct electrical contacts or high temperatures are required.

Benefits at a glance:

• Constant resistance at changing temperatures
• Heat-resistant up to approx. 600°C
• No coating—ideal for open heating coils or metallic contacts
• Easy to bend, process, and solder
• Perfect for tech hobbyists, workshops, and experiments

Typical applications:

• Heating wires, resistive elements
• Electronics experiments and DIY projects
• Model making, thermal sensing
• Training, labs, and classroom experiments

Delivery:

• By the meter or on a spool, in various diameters—ready to use for your project!

Evek GmbH is your reliable and competent supplier for CuNi44. In our online shop, you can find constantan wires that are available for delivery and shipment.